The O-Ring, cataloged under National Stock Number 5331-01-513-8426, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Bombardier Transportation Austria Gmbh. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-513-8426 |
| Primary Part Number | 430-175 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Bombardier Transportation Austria Gmbh |
| Status | ACTIVE |
| Cross-Sectional Height | 3.0 MILLIMETERS NOMINAL MM |
| Hardness Rating | 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM |
| Center Hole Diameter | 46.0 MILLIMETERS NOMINAL MM |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| DIN 3771-46X3-N FPM 75 | Bombardier Transportation Austria Gmbh (AUT) |
| 430-175 PRIMARY | Bombardier Transportation Austria Gmbh (AUT) |
| Reference | Meaning |
|---|---|
| 430-175 | 3/9 Design control — primary reference Bombardier Wien Schienenfahrzeuge Ag |
| DIN 3771-46X3-N FPM 75 | 5/9 Secondary reference Bombardier Wien Schienenfahrzeuge Ag |
NSN 5331-01-513-8426 is a O-Ring, manufactured by Bombardier Transportation Austria Gmbh, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-513-8426 has 2 manufacturer part numbers on file: DIN 3771-46X3-N FPM 75 (Bombardier Transportation Austria Gmbh), 430-175 (Bombardier Transportation Austria Gmbh).
1 possible match (shared part number, not a government interchangeability claim): 4810-01-676-5797. Verify interchangeability with system specifications before substitution.
Key specifications for 430-175: Cross-Sectional Height: 3.0 MILLIMETERS NOMINAL MM; Hardness Rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM; Center Hole Diameter: 46.0 MILLIMETERS NOMINAL MM; End Item Identification: RQ-1. 4 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.